Tonkey electrical technology Co.,Ltd.is a Hong Kong based company specializing in the manufacture and marketing of wide range heating massage products. With wholly-owned production facilities Dongguan, PRC, covering an area 6000 square m, has its own ...

Dalian Huan-da Infrared ray Electronic Science&Technology Co., Ltd was established in 1998, it is professionally manufacturer of heating elements. There are high-temperature element and low-temperature . High-temperature elements alloy ...